Calling Muslims to prayer, worship and getting closer to God, silhouette of a mosque at sunset, Islamic religious monuments in the Kingdom of Saudi Arabia, architectural engineering art of minarets and domes in the Islamic style, Salulite
A group of worshipers inside the Prophet’s Mosque in Medina, Saudi Arabia, worship and getting closer to God, the Noble Sanctuary, Islamic holy places, electronic umbrellas, Islamism and worship, Islamic religious landmarks
Islamic inscriptions and decorations of the arches and internal columns of mosques, worship and closeness to God Almighty, sacred religious landmarks and places, decorations and designs for domes and minarets, architectural engineering art of mosques in the Kingdom of Saudi Arabia
A close-up of the pilgrims of the Sacred House of God near the door of the Holy Kaaba, circumambulating around the Holy Kaaba, the Holy Mosque of Mecca in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, sacre
The arrival of Muslims from all over the world to Mecca, the geometric art of the architectural towers surrounding the Holy Mosque in Mecca, visitors to the Holy House of God in the outer courtyard, famous religious tourist attractions, the entry of worshipers into the Grand Mosque to perform rituals and worship and become closer to God.
Ramadan decorations and lanterns, celebrating the arrival of the month of goodness and forgiveness, the architectural art of domes and minarets, worship and drawing closer to God, the crescent moon of the blessed month of Ramadan in the sky, places of performing religious duties and prayers in the Kingdom of Saudi Arabia, a mosque in the Arab-Islamic style
Traffic movement of cars in the streets and roads, architectural art in the Islamic style of famous and sacred religious landmarks and places, Nimra Mosque in Mash'arafat in Mecca in the Kingdom of Saudi Arabia, the concept of worship and getting closer to God Almighty.
The concept of worship and drawing closer to God Almighty, decorations and architectural engineering designs for building mosques in the Kingdom of Saudi Arabia, minarets and domes in the Islamic style, the view of clouds in the sky at sunset
Performing religious duties and prayers, a panoramic image of a mosque in the Kingdom of Saudi Arabia at sunset, the architectural art of Islamic exterior decorations and designs, the interest in planting green plants in the mosque courtyard, minarets and domes in the modern Islamic style
A picture of the pilgrims to the Sacred House of God, the Pause of Arafat, Mount of Mercy (Arafah), performing Hajj and Umrah, performing Hajj, worship and getting closer to God, Hajj season 2022, Islam and worship
Modern architectural style of towers, hotels and skyscrapers overlooking the Grand Mosque in the Kingdom of Saudi Arabia, the illuminated clock tower building in Mecca, Islamic religious landmarks, performing Hajj and Umrah rituals, Muslim pilgrims circumambulating the Kaaba
Worship and drawing closer to God Almighty, three-dimensional illustrative designs for minarets and decorated domes of Islamic mosques, decorations and distinctive geometric designs in the blessed Ramadan, decorations for holidays and religious occasions.
Pilgrims descending from the Jamarat Bridge, performing Hajj rituals, holy Islamic places in the Kingdom of Saudi Arabia, worship and getting closer to God
The Qiblah of Islam and Muslims, sacred Islamic places and landmarks, pilgrims and Muslims circumambulating the Kaaba in Mecca, performing the Hajj and Umrah rituals, worship and drawing closer to God, the Grand Mosque in the Kingdom of Saudi Arabia
An aesthetic image of the Prophet's Mosque in Medina in Saudi Arabia, worship and getting closer to God, the Noble Sanctuary, Islamic religious landmarks in the Kingdom of Saudi Arabia.
3D illustration of the Kaaba in Mecca on an open book, domes and minarets of the Prophet's Mosque with landscape and a plane flying in the sky, the most important religious and Islamic center in the world, a symbol of the Islamic religion, religious wallpapers and graphics
Worship and getting closer to God, calling Muslims to prayer, a mosque at night, decorations and engineering designs of minarets and domes in the Islamic style, the view of the shining crescent in the sky, Islamic religious places and landmarks in the Kingdom of Saudi Arabia
Calling Muslims to pray, worship and draw closer to God, silhouette of a mosque after sunset, Islamic religious places and landmarks in the Kingdom of Saudi Arabia, decorations and engineering designs of minarets and domes in the Islamic style, view of the shining crescent in the sky, Saluit
Gestures of happiness and reassurance, visiting the Holy House of Allah in Mecca, close-up portrait of a Saudi Arabian Gulf couple wearing Ihram clothes preparing to perform Hajj and Umrah rituals, getting closer to Allah through good deeds, fulfilling the fifth pillar of Islam, full-length body, beige background
Towers overlooking the Grand Mosque, architectural engineering art of facilities and buildings, the Qiblah of Islam and Muslims, sacred Islamic places and landmarks, the Kaaba in the Kingdom of Saudi Arabia, the Royal Clock Tower building in Mecca, performing Hajj and Umrah rituals, worship and drawing closer to God
Performing prayers in the Prophet’s Mosque in Medina, worship and getting closer to God, sacred religious places and landmarks in Saudi Arabia, electronic awnings for the courtyards of the Prophet’s Mosque during the day, arches and columns with Islamic-style interior decorations and designs.
Interest in landscaping and green plants, the architectural art of a mosque next to a lake, decorations and designs in the Islamic style, worship and getting closer to God, performing obligatory prayers and prayers, distinctive domes and minarets, Ramadan backgrounds and atmosphere
Places of performing religious duties and prayers in the Kingdom of Saudi Arabia, the crescent moon of Ramadan in the sky at sunset, worship and getting closer to God, a group of hanging lit lanterns, the architectural art of domes and minarets, a silhouette of a mosque in the Arab-Islamic style, Saluit
Pilgrims and Umrah performers gather in the outer courtyards of the Grand Mosque, the Grand Mosque of Mecca in Makkah Al-Mukarramah in Saudi Arabia, performing Hajj and Umrah rituals, Islamic religious landmarks and sacred places
Muslims gathered in the outer courtyard of the Noble Prophet’s Mosque in Medina, sacred religious landmarks in the Kingdom of Saudi Arabia, Islamic matters and worship, the view of the sky full of clouds and clouds at sunset, obedience and closeness to God, the Islamic architectural art of the Mosque of the Messenger of God
A wooden chair for resting in the public park surrounding the mosque, flowers and green plants in front of the Sharjah Grand Mosque in the United Arab Emirates, worship and getting closer to God, Islamic religious places and landmarks in the Emirate of Sharjah
White mosque in the daytime, architectural art of building mosques in the Arab Islamic style in the Kingdom of Saudi Arabia, calling and calling Muslims to prayer, the concept of worship and drawing closer to God Almighty
Distinctive decorations and designs in the Islamic style for domes and minarets illuminated at night, architectural engineering art for mosques, a luxurious Arab mosque, worship and getting closer to God, performing obligatory prayers and prayers, Ramadan religious backgrounds, the view of the crescent in the sky.
Distinctive decorations and designs in the Islamic style for domes and minarets illuminated at night, architectural engineering art for mosques, a luxurious Arab mosque, worship and getting closer to God, performing obligatory prayers and prayers, Ramadan religious backgrounds, the view of the crescent in the sky.
Royal Clock Tower building overlooking the Kaaba during the day, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia, performing Hajj and Umrah rituals, worship and drawing closer to God, the Grand Mosque in Mecca
Places of worship and getting closer to God, drawing of a three-dimensional mosque model, Islamic-style decorations, sacred Islamic religious landmarks, architectural engineering art of a mosque, colorful background
Performing Hajj and Umrah rituals, sacred Islamic places and landmarks in the Kingdom of Saudi Arabia, pilgrims to the House of God performing Tawaf around the Kaaba in the Grand Mosque in Mecca, worship and drawing closer to God
The Qiblah of Islam and Muslims, worship and drawing closer to God, a close-up of pilgrims circumambulating the House of God near the door of the Kaaba in the courtyards of the Grand Mosque in Mecca, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia, performing the Hajj and Umrah rituals
Performing Hajj and Umrah rituals, worship and getting closer to God, the Sacred House of God in the Holy Mosque of Mecca in the Kingdom of Saudi Arabia, sacred Islamic places and landmarks, the circumambulation of pilgrims and Umrah around the Holy Kaaba in Mecca, the Qibla of Islam and Muslims.
Modern architectural engineering art of columns in mosques, designs and exterior decorations in the Arab-Islamic style, famous religious landmarks, interest in the general landscape surrounding mosques, places of worship, obedience and closeness to God Almighty
Architectural engineering art, Islamic architectural designs, Sheikh Zayed Grand Mosque in the Emirate of Abu Dhabi in the United Arab Emirates, Islamic landmarks and holy places, minarets and domes in the modern Islamic style, getting closer to God Almighty through worship
An explanatory sign for the Medina gift shop near King Fahd Gate, modern architectural art for the towers and hotels in the outer courtyard of the Prophet’s Mosque, huge electronic awnings inside the mosque, Islamic religious landmarks and sacred places
Islamic religious landmarks and places, modern architectural art of mosques, worship and closeness to Allah Almighty, illustrations of an ancient mosque, modern decorations and designs of minarets and domes, birds flying in a sky full of clouds
The Holy Mosque of Mecca in Mecca, performing Hajj and Umrah rituals, an oil painting of Muslim pilgrims circumambulating around the Holy Kaaba, worship and getting closer to God, sacred Islamic religious landmarks, Hajj season in the Kingdom of Saudi Arabia
Distinctive decorations and designs of the water fountain, a call for Muslims to perform religious duties and prayers and draw closer to God, Islamic architectural art of the domes and minarets of mosques in the Kingdom of Saudi Arabia, sacred religious landmarks, interest in afforestation and planting green plants
Getting closer to God Almighty through worship, holy Islamic places and landmarks, decorations and architectural designs for building mosques in the Kingdom of Saudi Arabia, minarets and domes in the modern Islamic style.
The Prophet's Mosque in Medina, Saudi Arabia, the Noble Sanctuary of the Prophet, Islamic holy places, Islamiat and worship, Islamic religious monuments, the external complex of the Prophet's Mosque in Medina
A mosque in the middle of the golden sands of the desert, the architectural art of building mosques, modern designs and decorations of domes and minarets, worship and getting closer to God, the view of the crescent moon in the sky, desert areas and the natural desert environment, soft sandy plateaus and hills
Calling Muslims to perform religious duties and prayers, worship and draw closer to God, modern exterior decorations and designs, architectural engineering art of building mosques in the Kingdom of Saudi Arabia, 3D model of an Islamic-style mosque, sky background with crescent moon
Towers overlooking the Grand Mosque, the Royal Clock Tower building in Mecca, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia, performing Hajj and Umrah rituals, worship and drawing closer to God, architectural engineering art of facilities and buildings
Urban growth and development, green palm trees on the waterfront, sacred Islamic religious places, calm sea waves on the beach, architectural art of famous tourist attractions in Saudi Arabia on the Jeddah Corniche.
Interior decorations and designs in the Arab Islamic style, Entrance gate to the Prophet's Mosque, Performing prayers in the Prophet's Mosque in Medina, worship and closeness to God, landmarks and holy religious places in Saudi Arabia, destination for Muslims from all over the world
Sacred Islamic religious landmarks, performing Hajj and Umrah rituals, the view of the Holy Kaaba at sunrise, the minarets of the Grand Mosque overlooking the Holy Mosque in Mecca, the concept of worship and getting closer to God, the Hajj season in the Kingdom of Saudi Arabia
Worship and closeness to God, interior design in the Islamic style, a group of worshipers inside the Quba Mosque in Medina, Saudi Arabia, Islamic decoration and decor, sacred religious places
The Grand Mosque in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, worship and drawing closer to God, Islamic religious landmarks, the courtyard of the Grand Mosque, the towers surrounding the Grand Mosque,
Sacred Islamic religious places in the Kingdom of Saudi Arabia, worship and closeness to God, electronic umbrellas in the courtyard of the Grand Mosque in Medina at sunset, the destination of Muslims to perform worship and duties, the architectural engineering art of building the Prophet’s Mosque
Manuscript: O God, open for me the doors of Your mercy, the Holy Kaaba in Mecca, the Sacred House of God in the Holy Mosque of Mecca, sacred Islamic places and landmarks in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, the Qiblah of Islam and Muslims, worship and drawing closer to God
Grand Mosque in Abu Dhabi during the day, architectural designs for building mosques, domes and minarets in the Arab-Islamic style, the concept of getting closer to God Almighty, the call of Muslims to perform the duties and prayers, places of worship in the United Arab Emirates
Worship, obedience and drawing closer to God, architectural engineering art of building mosques in the Kingdom of Saudi Arabia, a mosque in the middle of trees and natural places, domes and minarets built in the ancient style, Islamic designs and decorations, nature background
Decorative metal curtain, urban progress and growth, a close-up of the Bilal bin Rabah Mosque in Mecca, modern-style architecture for mosques in the Kingdom of Saudi Arabia, interest in planting palm trees, worship and getting closer to God, sacred Islamic religious landmarks
Majestic domes and minarets, performing obligatory prayers and getting closer to God, worship and getting closer to God, modern exterior decorations and designs, architectural engineering art for building mosques in the Kingdom of Saudi Arabia, a three-dimensional model of an Islamic-style mosque, the background of the sky with the illuminated full moon.
Performing Hajj and Umrah rituals, religious places and landmarks in the Kingdom of Saudi Arabia, pilgrims to the House of God around the Kaaba in the courtyards of the Grand Mosque in Mecca, the Royal Clock Tower building in Mecca, modern architectural art of towers, hotels and skyscrapers
Islamic landmarks and sacred places in the modern Islamic style, worship and closeness to God, architectural engineering art for building mosques in the Kingdom of Saudi Arabia, silhouettes of domes and minarets at sunset, Salwit
Muslims from all over the world, a panoramic image of pilgrims performing prayers around the Kaaba in Mecca at night, the architectural art of the towers surrounding the Grand Mosque in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, worship and drawing closer to God
Calling Muslims to prayer, worship and getting closer to God, the charming sunset scene of the Grand Mosque with the legal moon, the geometric architectural art of minarets and domes on Islamic talents
Drawings of the Green Dome of the Prophet's Mosque, famous and sacred religious landmarks and places, the Prophet's Mosque in Medina, may God bless you, O Messenger of God, Islamic templates and phrases in Arabic, beige background
Manuscript: We have sent you only as a mercy to the worlds, artistic drawings of the Green Dome in the Prophet’s Mosque in Medina, the concept of worship and drawing closer to God, the architectural art of minarets and domes in the Islamic style, sacred Islamic religious places, famous mosques in the Kingdom of Saudi Arabia
The courtyard of the Prophet’s Mosque in Medina, Saudi Arabia, worship and getting closer to God, the Prophet’s Mosque, holy Islamic places, Muslims walking in the outer complex of the Prophet’s Mosque in Medina, electronic umbrellas
The Holy Kaaba in Mecca, performing Hajj and Umrah rituals, pilgrims and Umrah performers sitting in the Holy Mosque, worship and drawing closer to God, Islamic religious landmarks and places in the Kingdom of Saudi Arabia
Serving the Sacred House of God and taking care of it, a group of Saudi Gulf Arab men wearing traditional thobes raise the curtains of the Kaaba during the blessed days of Hajj, Quranic verses on the cover of the Kaaba, sacred Islamic places and landmarks in the Kingdom of Saudi Arabia, the qibla of Islam and Muslims.
A picture of the Red Mosque in the city of Riyadh, Saudi Arabia, the minaret (the lighthouse) is a tall high building attached to mosques, worship and getting closer to God, the sound of the call to prayer, the call for Muslims to pray, the minaret of the
Pictures from various sides of the Prophet's Mosque in Medina in the Kingdom of Saudi Arabia, worship and closeness to God, the Prophet's Mosque, the Prophet Muhammad Mosque, the green dome of the landmarks of the Prophet's Mosque
Sacred Islamic religious landmarks and places, the quest between Safa and Marwah, pilgrims and pilgrims in the quest in Makkah Al-Mukarramah in the Kingdom of Saudi Arabia, performing the rituals of Hajj and Umrah, worshiping and drawing closer to God
Place for performing worship and drawing closer to God, sacred landmarks in the Kingdom of Saudi Arabia, centers for gathering Muslims to learn religious values, spirituality and tranquility in mosques, geometric art and modern interior decoration of an Islamic mosque, Arab-Islamic decorations
Islamic religious landmarks, entry of pilgrims and Umrah performers to the Grand Mosque from Fahd Gate, the Grand Mosque in Makkah Al-Mukarramah in Saudi Arabia, the Holy Mosque of Mecca, performing Hajj and Umrah rituals, Islamic holy places
Ramadan decorations and lanterns, celebrating the arrival of the holy month of Ramadan, architectural art of domes and minarets, worship and getting closer to God, places of performing religious duties and prayers in the Kingdom of Saudi Arabia, silhouette of an Arab-Islamic style mosque at sunset, Saluit
Worship and getting closer to God, architectural art and decoration in the Arab-Islamic style, famous religious landmarks in the Emirate of Sharjah, a close-up of the outdoor place in front of the Sharjah Grand Mosque in the United Arab Emirates, interest in the general landscape surrounding the mosques
Pictures from various sides of the Prophet's Mosque in Medina in the Kingdom of Saudi Arabia, worship and closeness to God, the Prophet's Mosque, the Prophet Muhammad Mosque, the green dome of the landmarks of the Prophet's Mosque
The concept of worship and drawing closer to God Almighty, decorations for religious holidays and occasions, distinctive decorations and engineering designs in the blessed month of Ramadan, the arrival of the month of goodness, three-dimensional illustrations of minarets and domes of Islamic mosques, illuminated metal lanterns at night
Getting closer to God Almighty through worship, holy Islamic places and landmarks, decorations and architectural designs for building mosques in the Kingdom of Saudi Arabia, minarets and domes in the modern Islamic style.
Performing Hajj and Umrah rituals, religious places and landmarks in Saudi Arabia, close-up of the Royal Clock Tower building in Mecca, modern architectural style of towers, hotels and skyscrapers, fog and cloudy winter atmosphere
The view of the crescent moon in the sky, worship and closeness to God, domes and minarets in the modern Islamic style, calling Muslims to prayer and performing religious duties, the architectural engineering art of a mosque in the middle of hills and sand dunes, luminous lanterns and lamps in the desert.
The external complex of the Prophet's Mosque in Medina, the concept of worship and drawing closer to God, the architectural art of the minarets and the green dome in the Islamic style, sacred Islamic religious places, famous mosques in the Kingdom of Saudi Arabia
Lightning and rain in the Kingdom of Saudi Arabia, the call and call of Muslims to prayer, the concept of worship and closeness to God, the minaret and dome of the Quba Mosque in Medina at night, Islamic architectural art for the minarets of mosques and mosques
The sky full of clouds over the Noble Mosque in Mecca in the Kingdom of Saudi Arabia, worship and closeness to God Almighty, a three-dimensional illustration of the Holy Kaaba in Mecca, the domes and minarets of the Prophet’s Mosque, the destination of Muslims from all over the earth
Performing Hajj and Umrah rituals in Mecca, a top view of pilgrims circling the Kaaba in the Grand Mosque, the concept of worship and getting closer to God, sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia
Cleaning crews clean the courtyard of the Grand Mosque in Mecca, sacred Islamic places, the Grand Mosque in Mecca in the Kingdom of Saudi Arabia, pilgrims and Muslims in the courtyards of the Grand Mosque in Mecca, Islamic religious landmarks
The outer courtyard of the Prophet's Mosque in Medina, a destination for Muslims from all over the world, electronic umbrellas for shade and protection from the sun, sacred Islamic religious landmarks in the Kingdom of Saudi Arabia
Places of performing religious duties and prayers in the Kingdom of Saudi Arabia, the reflection of the mosque on the surface of the water, the architectural art of domes and minarets, worship and drawing closer to God, a silhouette of a mosque in the Arab-Islamic style at sunset, Saluit
The outer courtyard of the Quba Mosque in Medina at sunset, sacred religious landmarks and places in the Kingdom of Saudi Arabia, worship and closeness to God, minarets and illuminated domes, architectural art and Islamic decoration in the modern style, interest in planting palm trees
Sacred Islamic religious places and landmarks in the Kingdom of Saudi Arabia, the Green Dome and the mosque minarets, worship and drawing closer to God, the Hajj and Umrah season, the courtyard of the Prophet’s Mosque in Medina
Modern designs and decorations of domes and minarets, architectural engineering art of building mosques in the Kingdom of Saudi Arabia, desert areas and the natural desert environment, worship and getting closer to God, a mosque in the middle of soft golden sands at sunset
Exterior decoration designs in the Arab-Islamic style, the Grand Mosque of Sharjah in the United Arab Emirates, architectural engineering art for famous religious landmarks in the Emirate of Sharjah, worship and getting closer to God, attention to the general landscape surrounding mosques
Pilgrims of the Sacred House of God performing prayers in the Holy Mosque of Mecca, performing the rituals of Hajj and Umrah, the Kaaba in Mecca, the Kingdom of Saudi Arabia, Islamic holy places
A watercolor painting of architectural engineering art in the Islamic style of mosques, architectural engineering art in the Islamic style, a three-dimensional artistic painting of a mosque in the middle of nature at sunset in the Kingdom of Saudi Arabia,
Mosques and sacred religious monuments, worship and the call of Muslims to perform prayers and obligations, architectural engineering art to build mosques in a modern and advanced style, getting closer to God Almighty, Islamic matters and worship
Decorations and architectural designs for building mosques in the Kingdom of Saudi Arabia, Islamic landmarks and holy places, minarets and domes in the modern Islamic style, getting closer to God Almighty through worship.
Islamic structures overlooking the sea, minarets and domes built in the ancient Islamic style, sacred religious landmarks and places, areas of worship and closeness to God Almighty, calm spiritual atmosphere, architectural engineering art of building mosques in the Kingdom of Saudi Arabia
View of pigeons and birds in the courtyard External, Minarets of the Prophet's Mosque in Medina, Worship and closeness to God, Holy religious places and landmarks in the Kingdom of Saudi Arabia, Islamic architectural art, Destination of Muslims from all over the world
The courtyard of the Prophet's Mosque in Medina in the Kingdom of Saudi Arabia, worship and closeness to God, the Noble Prophet's Mosque, Islamic holy places, the external complex of the Prophet's Mosque in Medina, Islamic religious landmarks
Worship and closeness to God, sacred religious monuments in the Kingdom of Saudi Arabia, architectural art of mosques in the Islamic style, inviting Muslims to perform prayers on time, Quba Mosque in Medina during the day
A picture of the Quba Mosque in Medina, Saudi Arabia, the dome and minaret of the Quba Mosque, worship and getting closer to God, religious tourist monuments, tourism in Saudi Arabia
Hajj pilgrims in the Holy Mosque in Mecca in the Kingdom of Saudi Arabia, performing Hajj and Umrah, circumambulating the Kaaba, worshiping and getting closer to God, Islamic religious landmarks, Islamic holy places
Islamic religious places and landmarks, modern architectural art of mosques, worship and closeness to God Almighty, illustrations of an ancient mosque in the middle of the desert in the Kingdom of Saudi Arabia, modern decorations and designs of minarets and domes
Minarets of the Prophet's Mosque in Medina, a group of birds in the outer courtyard, worship and closeness to God, sacred religious places and landmarks in the Kingdom of Saudi Arabia, Islamic architectural art, a destination for Muslims from all over the world
The background of the minaret and electronic umbrellas in the Mosque of the Messenger of God, sacred Islamic places and landmarks in Saudi Arabia, a young Saudi Arabian Gulf Muslim in the square of the Prophet’s Mosque in Medina, prayer, supplication, wor
Sacred religious places and landmarks, interest in afforestation and planting green plants, Islamic architectural art of domes and minarets of mosques in the Kingdom of Saudi Arabia, a call for Muslims to perform religious duties and prayers and draw closer to God
The square of the Prophet’s Mosque in Medina, Saudi Arabia, worship and getting closer to God, the Prophet’s Mosque, holy Islamic places, Muslims gathering in the outer complex of the Prophet’s Mosque in Medina, electronic umbrellas, Islamic religious lan
A picture of the courtyard of the Prophet's Mosque in Medina, Saudi Arabia, worship and getting closer to God, the Noble Sanctuary, the Prophet's Mosque, religious landmarks in Saudi Arabia, Islamism and worship